322246333640 has 128 divisors (see below), whose sum is σ = 911435569920. Its totient is φ = 100440299520.

The previous prime is 322246333639. The next prime is 322246333649. The reversal of 322246333640 is 46333642223.

It is a junction number, because it is equal to n+sod(n) for n = 322246333594 and 322246333603.

It is not an unprimeable number, because it can be changed into a prime (322246333649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59657 + ... + 805016.

It is an arithmetic number, because the mean of its divisors is an integer number (7120590390).

Almost surely, 2^322246333640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322246333640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455717784960).

322246333640 is an abundant number, since it is smaller than the sum of its proper divisors (589189236280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322246333640 is a wasteful number, since it uses less digits than its factorization.

322246333640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864724 (or 864698 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 38.

Adding to 322246333640 its reverse (46333642223), we get a palindrome (368579975863).

The spelling of 322246333640 in words is "three hundred twenty-two billion, two hundred forty-six million, three hundred thirty-three thousand, six hundred forty".